from Wiktionary, Creative Commons Attribution/Share-Alike License

n. A psychotherapeutic method whereby healing is facilitated by inducing the patient to act out behaviour typical of an earlier developmental stage.

n. An analytic method to measure the association of one or more independent variables with a dependent variable.

n. An equation using specified and associated data for two or more variables such that one variable can be estimated from the remaining variable(s).

n. The reappearance of a bug in a piece of software that had previously been fixed.

from the GNU version of the Collaborative International Dictionary of English

n. The act of passing back or returning; retrogression; retrogradation.

from The Century Dictionary and Cyclopedia

n. The act of passing back or returning; retrogression.

n. In astronomy, motion from east toward west.

n. In geometry, contrary flexure; also, the course of a curve at a cusp.

n. In mathematics, a discrete series which has a last element but no first.

n. In statistics, the tendency of one variable phenomenon that is correlated with another to revert to the general type and not to equal the amount of deviation of the particular phenomenon with which it is correlated.

n. In breeding, the decline toward mediocrity of offspring from the mean of the two parents. Sometimes called filial regression.

We should be moving forward and devising ways to enhance all of our citizens 'lives rather than instill fear and hatred, and that only rejection of concepts and forward looking ideas leading to regression is our salvation. simp

These retired citizens have no interests in the well being of the country as a whole, regression is their only agenda and will not allow the Democrats to take this country in the right direction .. too bad America voted for change.

However, though we talk a lot about the effects of demography and aging populations, etc., there is a curious sense in which we suddenly stop thinking about them when assuming things like long term regression to the mean of economic growth, and many other things.